KW1978 ***********************************************************************
KW1978  DESIGNATION -  RV 11 RDGRR
KW1978  PID         -  KW1978
KW1978  STATE/COUNTY-  PA/CUMBERLAND
KW1978  USGS QUAD   -  MOUNT HOLLY SPRINGS (1973)
KW1978
KW1978                         *CURRENT SURVEY CONTROL
KW1978  ___________________________________________________________________
KW1978* NAD 83(1986)-  40 06 15.     (N)    077 10 47.     (W)     SCALED
KW1978* NAVD 88     -       177.773  (meters)     583.24   (feet)  ADJUSTED
KW1978  ___________________________________________________________________
KW1978  GEOID HEIGHT-         -34.05  (meters)                     GEOID99
KW1978  DYNAMIC HT  -         177.677 (meters)     582.93  (feet)  COMP
KW1978  MODELED GRAV-     980,084.9   (mgal)                       NAVD 88
KW1978
KW1978  VERT ORDER  -  SECOND    CLASS 0
KW1978
KW1978.The horizontal coordinates were scaled from a topographic map and have
KW1978.an estimated accuracy of +/- 6 seconds.
KW1978
KW1978.The orthometric height was determined by differential leveling
KW1978.and adjusted by the National Geodetic Survey in June 1991.
KW1978
KW1978.The geoid height was determined by GEOID99.
KW1978
KW1978.The dynamic height is computed by dividing the NAVD 88
KW1978.geopotential number by the normal gravity value computed on the
KW1978.Geodetic Reference System of 1980 (GRS 80) ellipsoid at 45
KW1978.degrees latitude (g = 980.6199 gals.).
KW1978
KW1978.The modeled gravity was interpolated from observed gravity values.
KW1978
KW1978;                    North         East    Units  Estimated Accuracy
KW1978;SPC PA S     -    85,750.      648,620.      MT  (+/- 180 meters Scaled)
KW1978
KW1978                          SUPERSEDED SURVEY CONTROL
KW1978
KW1978  NGVD 29     -       177.973  (m)          583.90   (f) ADJUSTED    2 0
KW1978
KW1978.Superseded values are not recommended for survey control.
KW1978.NGS no longer adjusts projects to the NAD 27 or NGVD 29 datums.
KW1978.See file dsdata.txt to determine how the superseded data were derived.
KW1978
KW1978_MARKER: R = RIVET
KW1978_SETTING: 36 = BRIDGE
KW1978_STABILITY: B = PROBABLY HOLD POSITION/ELEVATION WELL
KW1978
KW1978  HISTORY     - Date     Condition        Recov. By
KW1978  HISTORY     - UNK      MONUMENTED       RDGRR
KW1978  HISTORY     - 1935     GOOD             CGS
KW1978  HISTORY     - 1952     MARK NOT FOUND   USE
KW1978
KW1978                          STATION DESCRIPTION
KW1978
KW1978''DESCRIBED BY COAST AND GEODETIC SURVEY 1935
KW1978''0.4 MI S FROM MOUNT HOLLY SPRINGS.
KW1978''0.4 MILE SOUTH ALONG THE READING CO. RAILWAY FROM THE STATION
KW1978''AT MOUNT HOLLY SPRINGS, CUMBERLAND COUNTY, ABOUT 329 FEET NORTH
KW1978''OF THE UPPER MILL SIDING SIGN, AT THE NORTH END OF THE BRIDGE
KW1978''7+80, IN THE TOP OF THE SOUTH END OF THE CONCRETE RETAINING
KW1978''WALL, AND 10 FEET WEST OF THE CENTER LINE OF THE TRACK.  A
KW1978''STANDARD MONEL-METAL RIVET.  NOTE-- THE MARK IS 148 FEET W OF NW
KW1978''CORNER OF BUILDING AND CORNER IS 1.2 FEET HIGHER.  108 FEET
KW1978''NNW OF SW CORNER OF BUILDING AND CORNER IS 1.4 FEET LOWER.  4.9
KW1978''FEET W OF W RAIL AND RAIL IS 1.2 FEET HIGHER.  55 FEET S OF N
KW1978''END OF CONCRETE RETAINING WALL AND WALL IS 0.9 FEET LOWER.  95
KW1978''FEET N OF S ABUTMENT ON W SIDE OF TRACK OF BR. 7+80 AND ELEVATION
KW1978''0.8 FEET HIGHER.
KW1978
KW1978                          STATION RECOVERY (1952)
KW1978
KW1978''RECOVERY NOTE BY US ENGINEERS 1952
KW1978''MARK NOT FOUND.